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1
earplane
Disabling XoopsForm elements

  • 2006/12/9 16:18

  • earplane

  • Just popping in

  • Posts: 35

  • Since: 2002/10/1


Is there a way to disable or hide/show XoopsForm elements at runtime?

I've got a form that contains time info: Time starts with a XoopsFormDateTime element and has a duration that is set with a collection of radio buttons. But if the radio button "Custom" is chosen I'd like the user to set the duration in a new XoopsFormDateTime control that either has to become enabled or visible (if it's been hidden so far).

This is easily done with "onclick" javascript if I do things from scratch, but is it possible to do this using XoopsForms?
2
Dave_L
Re: Disabling XoopsForm elements

  • 2006/12/9 18:05

  • Dave_L

  • XOOPS is my life!

  • Posts: 2277

  • Since: 2003/11/7


You can use the XoopsFormElement::setExtra method:

le="color: #000000"><?php $xoopsOption['template_main'] = 'template filename'; require_once XOOPS_ROOT_PATH . '/header.php'; require_once XOOPS_ROOT_PATH . '/class/xoopsformloader.php'; ... $form = new XoopsThemeForm('form title', 'form1', ...); ... $element = new XoopsFormRadio(...); ... $element->setExtra("onClick = func;"); $form->addElement($element); ... $xoopsTpl->assign('form_validation_js', $form->renderValidationJS()); $form->assign($xoopsTpl); ... require_once XOOPS_ROOT_PATH . '/footer.php';


The Javascript function "func" would go in the template.
3
earplane
Re: Disabling XoopsForm elements

  • 2006/12/9 18:51

  • earplane

  • Just popping in

  • Posts: 35

  • Since: 2002/10/1


Thanks!!! How come the only way to figure this out is to ask?
4
earplane
Re: Disabling XoopsForm elements

  • 2006/12/10 14:33

  • earplane

  • Just popping in

  • Posts: 35

  • Since: 2002/10/1


Uh, sorry, some additional questions popped up here:

I want to hide an element within a form, which means I need to know the ids of the elements... Nope! I need a way to set the id of the <-tr-> tag that contains the element that I want to hide, right? Or else I get empty rows in the form, and I don't want that. But:

1. I can't find a way to give the <-tr-> that contains the element an id. Is this possible? - or -

2. I know that the element I want to hide is inside the following <-tr->. This means that I could search for it in the DOM. Am I on the right track?

3. Would it be easier if I start using a javascript library like Prototype for stuff like this? Any recommendations?


BTW, how do I write tags in this forum without messing up the layout?
5
vaughan
Re: Disabling XoopsForm elements

  • 2006/12/10 14:49

  • vaughan

  • Friend of XOOPS

  • Posts: 680

  • Since: 2005/11/26


why can't you use an 'IF' clause to hide the element?

if you set that up in the .php files

le="color: #000000"><?php if(isset($element)) { }


or even with smarty

le="color: #000000"><?php <{if $element !== ''}> <{/if}>
6
earplane
Re: Disabling XoopsForm elements

  • 2006/12/10 15:15

  • earplane

  • Just popping in

  • Posts: 35

  • Since: 2002/10/1


No, that would take a reload if I want to toggle show/hide (please correct me if I'm wrong). I want to do it at runtime, which means there's got to be some javascript involved (again, please correct me )
7
vaughan
Re: Disabling XoopsForm elements

  • 2006/12/10 15:40

  • vaughan

  • Friend of XOOPS

  • Posts: 680

  • Since: 2005/11/26


yes, you're right..

for a +/- toggle to hide/view etc, yes you will need some javascript.

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